/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/ListUtilityFunctions.h
Returns the item associated withIndexin theIndexList. IfIndexis not valid for thisIndexList the value -1 will be returned and bIsValidIndex will be set to false.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintPure, Category="GeometryScript|ListUtils", Meta=(ScriptMethod)) static int GetIndexListItem ( [FGeometryScriptIndexList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptIndexList) IndexList, int Index, bool & bIsValidIndex )